Did the end of the war and of slavery lead to a peace based on liberty and justice for all OR was Reconstruction just the first stage in a long and difficult struggle for equal rights for all Americans? pls help -

Jackson pollock described his art style in the following quote: “new needs need new techniques.… it seems to me that the modern painter cannot express this age, the airplane, the atom bomb, the radio, in the old forms of the renaissance or of any other past culture. each age finds its own technique.” what point is pollock making about the new styles of art?